Ebay cheater?

[Gameshark]

Does this look like the Seller is boosting his item? Or getting someone he knows to help boost.

r***3 ( 1 ) US $405.00
Feb-16-12 17:54:13 PST

Member Id: a***0 ( 7 ) US $400.00
Feb-14-12 10:22:24 PST

Member Id: r***3 ( 1 ) US $400.00
Feb-16-12 17:25:50 PST

Member Id: a***0 ( 7 ) US $350.00
Feb-14-12 10:20:43 PST

Member Id: r***3 ( 1 ) US $350.00
Feb-15-12 19:44:47 PST

Member Id: r***3 ( 1 ) US $300.00
Feb-15-12 19:43:36 PST

Member Id: r***3 ( 1 ) US $290.00
Feb-15-12 19:42:12 PST

Member Id: r***3 ( 1 ) US $280.00
Feb-15-12 19:42:00 PST

Member Id: r***3 ( 1 ) US $270.00
Feb-15-12 19:41:48 PST

Member Id: r***3 ( 1 ) US $260.00
Feb-15-12 19:41:36 PST

Member Id: r***3 ( 1 ) US $250.00
Feb-13-12 12:56:35 PST

Member Id: e***y ( 2 ) US $240.59
Feb-12-12 19:48:23 PST

Member Id: e***y ( 2 ) US $225.95
Feb-12-12 03:31:01 PST

Member Id: e***y ( 2 ) US $200.00
Feb-10-12 16:51:02 PST

Member Id: r***3 ( 1 ) US $200.00
Feb-13-12 12:55:55 PST

Member Id: r***3 ( 1 ) US $195.00
Feb-13-12 12:55:35 PST

Member Id: s***i ( 22Feedback score is 10 to 49) US $190.00
Feb-11-12 21:36:58 PST

Member Id: s***i ( 22Feedback score is 10 to 49) US $180.00
Feb-11-12 21:36:50 PST

Member Id: r***8 ( 106Feedback score is 100 to 499) US $175.00
Feb-10-12 17:01:30 PST

Member Id: r***8 ( 106Feedback score is 100 to 499) US $170.00
Feb-10-12 17:01:22 PST

Member Id: r***8 ( 106Feedback score is 100 to 499) US $160.00
Feb-10-12 17:01:13 PST

Member Id: r***8 ( 106Feedback score is 100 to 499) US $140.00
Feb-08-12 19:22:07 PST

Member Id: e***e ( 97Feedback score is 50 to 99) US $115.00
Feb-10-12 11:24:19 PST

Member Id: g***h ( 319Feedback score is 100 to 499) US $108.90
Feb-08-12 19:43:26 PST

Member Id: g***h ( 319Feedback score is 100 to 499) US $86.09
Feb-08-12 19:43:12 PST

Member Id: o***o ( 182Feedback score is 100 to 499) US $25.00
Feb-08-12 19:06:07 PST

Member Id: z***t ( 181Feedback score is 100 to 499) US $9.99
Feb-08-12 18:28:01 PST

http://offer.ebay.com/ws/eBayISAPI.d...m=230743911277